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| author | AKASHI Takahiro <takahiro.akashi@linaro.org> | 2017-04-03 05:24:32 +0300 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2017-04-05 20:26:57 +0300 |
| commit | 764b51ead10d5f428cb5f167bf98e336bdc23f8c (patch) | |
| tree | 1f1d07162a5403a4b5d5d0305a167362d9e45d04 /arch/arm64/include/asm/kexec.h | |
| parent | 8f579b1c4e347b23bfa747bc2cc0a55dd1b7e5fa (diff) | |
| download | linux-764b51ead10d5f428cb5f167bf98e336bdc23f8c.tar.xz | |
arm64: kdump: reserve memory for crash dump kernel
"crashkernel=" kernel parameter specifies the size (and optionally
the start address) of the system ram to be used by crash dump kernel.
reserve_crashkernel() will allocate and reserve that memory at boot time
of primary kernel.
The memory range will be exposed to userspace as a resource named
"Crash kernel" in /proc/iomem.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Mark Salter <msalter@redhat.com>
Signed-off-by: Pratyush Anand <panand@redhat.com>
Reviewed-by: James Morse <james.morse@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/include/asm/kexec.h')
0 files changed, 0 insertions, 0 deletions